2022MNRAS.513..468T

Query : 2022MNRAS.513..468T

2022MNRAS.513..468T - Mon. Not. R. Astron. Soc., 513, 468-486 (2022/June-2)

The OmegaWhite survey for short-period variable stars - VI. Open clusters.

TOMA R., RAMSAY G., JEFFERY C.S., MACFARLANE S.A., WOUDT P. and GROOT P.J.

Abstract (from CDS):

Using light curves with ∼3 min cadence and a duration of 2 h made using the OmegaWhite survey, we present the results of a search for short-period variable stars in the field of 20 open clusters. We identified 92 variable stars in these fields. Using a range of cluster member catalogues and Gaia EDR3 data, we have determined that 10 are cluster members and 2 more are probable members. Based on their position on the Gaia HRD and their photometric periods, we find that most of these are δ Sct stars. We obtained low-resolution optical spectroscopy of some of these cluster members and field stars. We discuss the cluster variable stars in the context of δ Sct stars in other open clusters.

Abstract Copyright: © 2022 The Author(s) Published by Oxford University Press on behalf of Royal Astronomical Society

Journal keyword(s): stars: distances - stars: oscillations - stars: variables: d Scuti - (Galaxy:) open clusters and associations: general

Nomenclature: Tables 2-3: [MTR2015] OW JHHMMSS.ss+DDMMSS.s N=12. Tables 4, A1: [MTR2015] OW JHHMMSS.s+DDMMSS.s N=12+92.

Simbad objects: 48

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Number of rows : 48
N Identifier Otype ICRS (J2000)
RA 		ICRS (J2000)
DEC 		Mag U Mag B Mag V Mag R Mag I Sp type #ref
1850 - 2026 		#notes
1 Cl King 5 OpC 03 14 43.6 +52 41 52           ~ 84 0
2 ACO 426 ClG 03 19 47.6 +41 30 54           ~ 2508 1
3 Cl Melotte 22 OpC 03 46 38.0 +24 10 41           ~ 3679 0
4 Cl King 7 OpC 03 59 08.0 +51 47 11           ~ 74 0
5 M 37 OpC 05 52 18.6 +32 32 36           ~ 436 0
6 [DBS2003] 11 OpC 07 24 16 -24 38.0           ~ 13 1
7 ESO 429-3 OpC 07 35 25.5 -27 42 33           ~ 34 0
8 [KPS2012] MWSC 1279 OpC 07 36 47 -24 39.7           ~ 6 0
9 Cl Melotte 71 OpC 07 37 31.3 -12 03 42   7.44 7.1     ~ 149 0
10 DSH J0748.4-2754 OpC 07 48 26.0 -27 54 50           ~ 12 0
11 NGC 2483 OpC 07 55.6 -27 54   7.89 7.6     ~ 41 0
12 ATO J118.9863-27.8405 EB* 07 55 56.7228572580 -27 50 26.118608597   17.093 16.250     ~ 3 0
13 [FSR2007] 1342 OpC 07 57 55.6 -31 30 46           ~ 16 0
14 [KPS2012] MWSC 1392 OpC 07 58 00 -29 17.0           ~ 7 0
15 ESO 430-9 OpC 08 02 24 -29 46.0           ~ 8 0
16 [MTR2015] OW J080237.1-294217.4 V* 08 02 37.10 -29 42 17.4           ~ 1 0
17 ESO 430-14 OpC 08 03 34 -31 24.9           ~ 11 0
18 C 0801-305 OpC 08 03 35 -30 39.6           ~ 10 0
19 [MTR2015] OW J080554.11-305750.0 V* 08 05 54.11 -30 57 50.0           A6V 1 0
20 [MTR2015] OW J080603.57-305142.5 V* 08 06 03.57 -30 51 42.5           A4V 1 0
21 [MTR2015] OW J080603.79-305050.5 V* 08 06 03.79 -30 50 50.5           A8V 1 0
22 [MTR2015] OW J080635.21-305741.5 Pu* 08 06 35.2106935519 -30 57 41.522905933           A0V/A1V 1 0
23 ESO 430-18 OpC 08 06.8 -30 50           ~ 19 0
24 [MTR2015] OW J080659.21-300022.2 V* 08 06 59.2083426501 -30 00 22.168806438           A8V 3 0
25 NGC 2533 OpC 08 07 05.8 -29 52 21   8.19 7.6     ~ 69 0
26 [MTR2015] OW J080705.8-295140.8 V* 08 07 05.80 -29 51 40.8           ~ 1 0
27 [MTR2015] OW J080706.92-295626.7 V* 08 07 06.9158137777 -29 56 26.759133885           A3V 3 0
28 [MTR2015] OW J080711.98-294621.7 V* 08 07 11.9779892136 -29 46 21.681235020           A7V 2 0
29 [MTR2015] OW J080713.1-295305.6 V* 08 07 13.1869282245 -29 53 05.570000232           ~ 3 0
30 [MTR2015] OW J080721.21-294516.6 V* 08 07 21.21 -29 45 16.6           A8V 1 0
31 NGC 2682 OpC 08 51 23.5 +11 48 54           ~ 2528 0
32 Cl Antalova 3 OpC 17 30 38 -32 12.3           ~ 10 1
33 ESO 520-20 OpC 17 43 36.4 -24 43 06           ~ 5 0
34 [DB2000] 44 OpC 17 46 34.9 -24 53 26           ~ 8 0
35 [DB2000] 51 OpC 17 49 29.2 -31 15 51           ~ 8 1
36 [MTR2015] OW J180319.05-215901.8 V* 18 03 19.05 -21 59 01.8           A/F 1 0
37 Teutsch 14a OpC 18 03 29.5 -22 07 12           ~ 18 1
38 [MTR2015] OW J180753.62-220904.4 V* 18 07 53.62 -22 09 04.4           A4V 1 0
39 [KPR2005] 93 OpC 18 08 13 -22 15.6           ~ 20 0
40 [MTR2015] OW J181329.36-220502.4 V* 18 13 29.36 -22 05 02.4           A5V 1 0
41 NGC 6573 err 18 13 39 -22 07.8           ~ 9 0
42 [MTR2015] OW J181531.53-220755.3 V* 18 15 31.5315621035 -22 07 55.379716139           A7V/A8V 4 0
43 [MTR2015] OW J181535.4-220934.6 V* 18 15 35.4513927576 -22 09 34.619823468           ~ 5 0
44 2MASS J18154293-2209497 V* 18 15 42.9296386204 -22 09 49.756788711           ~ 5 0
45 OGLE BLG-ECL-386430 EB* 18 15 45.5815955064 -22 08 13.672120416     14.498   13.475 ~ 9 0
46 NGC 6583 OpC 18 15 51.0 -22 08 38     10.0     ~ 83 0
47 [MTR2015] OW J181555.0-220953.6 V* 18 15 55.0049513197 -22 09 53.717152614           ~ 4 0
48 2MASS J18155667-2210214 V* 18 15 56.6672868600 -22 10 21.286874784           ~ 7 0

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